A hotel entrance makes a parabolic arch that can be represented by a quadratic function, f (x) = - x^2 - 4x + 12, where y is the height of the arch and x is the distance from wall to wall in feet. What is the distance between the two walls of
the arch?
Success Criteria
1. Find the a, b, c
2. Graph the vertex
3. Graph the zeros
4. On the Graph, show the distance between the zeros
5. Reply to two people's posts
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26?

step-by-step explanation:

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

the answer is 11.2 (i know i’m late)